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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
cardiac cycle
cardiac reserve
stenosis...
2. Narrowing of a valve
mediastinum
aortic and pulmonary semilunar valves
stenosis...
sodium ions and water
3. Contraction
systole
ECG
mediastinum
superior and inferior caval veins
4. Upper chamber of the heart
bradycardia
atrium
diastole
prevent friction as the heart beats
5. Electical activity of the heart may be depicted in an
cardiac output
arrhythmias
60-80
ECG
6. Sequence of events in one heartbeat
coronary arteries
cardiac cycle
systole
supply the heart with oxygenated blood
7. Difference between resting cardiac output adn maximum exercise cardiac output
superior and inferior caval veins
cardiac reserve
systole
pressoreceptors in teh carotid and aortic sinuses
8. Normal heart sounds are caused by
closure of the valves
medial to the lungs and superior to the diaphragm
prevent friction as the heart beats
sodium ions and water
9. First part of the cardia conduction pathway in teh ventircles
60-80
sodium ions and water
closure of the valves
bundle of His...
10. Purpose of teh coronary vessels
sodium ions and water
supply the heart with oxygenated blood
cardiac cycle
medial to the lungs and superior to the diaphragm
11. Coronary sinus receives blood directly from this
atrium
coronary veins
ECG
diastole
12. Heart chambers are lined with this
atrium
arrhythmias
endocardium
tricuspid valve
13. The chambers of teh heart that receive blood from the veins
right and left atria
fibrullation
supply the heart with oxygenated blood
bicuspid valve
14. 1st branches of teh ascending aorta
vagus nerves
systole
coronary arteries
60-80
15. Veins that return blood to the right atrium
closure of the valves
60-80
superior and inferior caval veins
aortic and pulmonary semilunar valves
16. Contraction of chambers of the heart
systole
coronary arteries
is smooth to prevent abnormal clotting within the heart
aortic and pulmonary semilunar valves
17. Backflow o fblood from the arteries to the ventricles is prevented by these
prevent friction as the heart beats
aortic and pulmonary semilunar valves
supply the heart with oxygenated blood
systole
18. Heart rate below 60 bpm
is smooth to prevent abnormal clotting within the heart
bradycardia
venous return
bundle of His...
19. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
aortic and pulmonary semilunar valves
bicuspid valve
bradycardia
20. Each normal heartbeat is initiated by this
superior and inferior caval veins
SA node
endocardium
vagus nerves
21. Funciton of the serous fluid of teh pericardial membranes
prevent friction as the heart beats
diastole
bicuspid valve
systole
22. Very rapid and uncoordinated ventricular beat
fibrullation
mediastinum
sodium ions and water
stroke volume
23. Natural pacemaker of the heart
bundle of His...
tricuspid valve
SA node
prevent friction as the heart beats
24. Amount of blood pumped by a ventricle per beat
cardiac reserve
60-80
mediastinum
stroke volume
25. Prevents backflow of blood from the left ventricle to the left atrium
bicuspid valve
mediastinum
stenosis...
coronary veins
26. The centers that regulate heart rate located in the___
bradycardia
bundle of His...
aorta
medulla
27. Normal range of heart rate for a healthy adult is _____ bpm
fibrullation
tricuspid valve
is smooth to prevent abnormal clotting within the heart
60-80
28. Largest artery of the body
prevent friction as the heart beats
aorta
arrhythmias
medial to the lungs and superior to the diaphragm
29. Endocardium lines the chambers of the heart
medulla
is smooth to prevent abnormal clotting within the heart
coronary veins
right and left atria
30. Changes in blood pressure are detected by
diastole
cardiac reserve
arrhythmias
pressoreceptors in teh carotid and aortic sinuses
31. Heart is located here
stroke volume
vagus nerves
medial to the lungs and superior to the diaphragm
superior and inferior caval veins
32. Vessel into which the left ventricle pumps blood
mediastinum
stenosis...
closure of the valves
aorta
33. Irregular heartbeats
aortic and pulmonary semilunar valves
tricuspid valve
epicardium
arrhythmias
34. Nerves that transmit impulses to decrease the heart rate are the ____
stroke volume
sodium ions and water
diastole
vagus nerves
35. Visceral pericardium
cardiac reserve
epicardium
coronary veins
is smooth to prevent abnormal clotting within the heart
36. Amount of blood pumped by a ventricle in 1 minute
ischemia
pressoreceptors in teh carotid and aortic sinuses
cardiac output
fibrous epicardium
37. Area in the thoracic cavity between the lungs
right and left atria
mediastinum
medulla
pressoreceptors in teh carotid and aortic sinuses
38. Relaxation
diastole
cardiac output
ECG
vagus nerves
39. Cardiac muscle tissue
cardiac cycle
mediastinum
myocardium
aorta
40. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
stenosis...
bicuspid valve
diastole
sodium ions and water
41. Outermost of the pericardial membranes
aorta
fibrous epicardium
cardiac output
prevent friction as the heart beats
42. The amount of blood that returns to teh heart
coronary arteries
venous return
coronary veins
stroke volume
43. Relaxation of chambers of the heart
tricuspid valve
diastole
SA node
60-80